Zephrys ignores Mo’Arg Artificier

For God’s sake, Zephrys ignored Mo’Arg Artificier to give Holy nova which is clear and heal at the same time.
Watch the replay I send for full information. Look at turn 11
https://hsreplay.net/replay/9PpBwhCZ3vTWSXeVpzPtZL

zephrys cant and have never been able to read card text

By design, Zephrys does not know about special card text. There is at least one exception (Doomsayer), but I do not expect him to know about Mo’Arg. It might make sense to add him as an exception, because his effect is similar to spell power, and he might already know about Prophet Velen’s special text, but I cannot find definitive proof of that.

He knows at least about Doomsayer, actually: